<template>
    <van-cell class="comment-item">
        <van-image
            slot="icon"
            class="avatar"
            round
            fit="cover"
            :src="comment.aut_photo"
        />
        <div slot="title" class="title-wrap">
            <div class="user-name">{{comment.aut_name}}</div>
            <van-button
            class="like-btn"
            :class="{ liked: comment.is_liking }"
            :icon="comment.is_liking ? 'good-job' : 'good-job-o'"
            :loading="commentLoading"
            @click="onCommentLike">
                {{comment.like_count || '赞'}}
            </van-button>
        </div>

        <div slot="label">
            <p class="comment-content">{{comment.content}}</p>
            <div class="bottom-info">
                <span class="comment-pubdate">{{comment.pubdate | relativeTime}}</span>
                <van-button class="reply-btn" round @click="$emit('replyClick', comment)">
                    回复 {{comment.reply_count}}
                </van-button>
            </div>
        </div>
    </van-cell>
</template>

<script>
import { addCommentLike, deleteCommentLike } from '@/api/comment'

export default {
    name: 'CommentItem',
    props: ['comment'],
    data () {
        return {
            commentLoading: false
        }
    },
    methods: {
        async onCommentLike () {
            this.commentLoading = true
            try {
                if (this.comment.is_liking) {
                    // 已赞->取消点赞
                    await deleteCommentLike(this.comment.com_id)
                    this.comment.like_count--
                } else {
                    // 未点赞->添加点赞
                    await addCommentLike(this.comment.com_id)
                    this.comment.like_count++
                }
                this.comment.is_liking = !this.comment.is_liking
            } catch (error) {
                this.$toast('操作失败，请重试')
            }
            this.commentLoading = false
        }
    }
}
</script>

<style scoped lang="less">
.comment-item {
    .avatar {
        width: 72px;
        height: 72px;
        margin-right: 25px;
    }
    .title-wrap {
        display: flex;
        justify-content: space-between;
        align-items: center;
        .user-name {
            color: #406599;
            font-size: 26px;
        }
    }
    .comment-content {
        font-size: 32px;
        color: #222222;
        word-break: break-all;
        text-align: justify;
    }
    .comment-pubdate {
        font-size: 19px;
        color: #222;
        margin-right: 25px;
    }
    .bottom-info {
        display: flex;
        align-items: center;
    }
    .reply-btn {
        width: 135px;
        height: 48px;
        line-height: 48px;
        font-size: 21px;
        color: #222;
    }
    .like-btn {
        height: 30px;
        padding: 0;
        border: none;
        font-size: 19px;
        line-height: 30px;
        margin-right: 7px;
        .van-icon {
            font-size: 30px;
        }
        &.liked {
            color: #e5645f;
        }
    }
}
</style>
